IT village

<?php
$board = "V I F I | F 0 0 F | S 0 0 F | P F F F";
$beginning = "3 4";
$moves = "2 4 3 11 11 3 7 8";

/*$board = $_GET['board'];
$beginning = $_GET['beginning'];
$moves = $_GET['moves'];*/

$board = preg_split("/[\|\s]+/", $board);
$moves = explode(" ", $moves);
$totalInns = 0;
$field = array();
$counter = 0;
for($i = 0; $i < 4 ;$i++) {
    $field[$i] = array();
    for($j = 0; $j < 4 ;$j++) {
        $field[$i][$j] = $board[$counter++];
        if($field[$i][$j] == "I") {
            $totalInns++;
        }
    }
}

$coins = 50;
$inns = 0;
$mover = 0;
$startRow = $beginning[0] - 1;
$startCol = $beginning[2] - 1;

function EvaluatePosition($row, $col) {
    $positionValue = $GLOBALS['field'][$row][$col];
    if($positionValue == "P") {
        $GLOBALS['coins'] -= 5;
    } elseif($positionValue == "I") {
        if($GLOBALS['coins'] > 100) {
            $GLOBALS['inns']++;
            $GLOBALS['coins'] -= 100;
        } else {
            $GLOBALS['coins'] -= 10;
        }
    } elseif($positionValue == "F") {
        $GLOBALS['coins'] += 20;
    } elseif($positionValue == "S") {
        //call the remove rows function and remove the next two rows in the array
        skipMoves();
    } elseif($positionValue == "V") {
        $GLOBALS['coins'] *= 10;
    } elseif($positionValue == "N") {
        echo "<p>You won! Nakov's force was with you!<p>";
        die();
    }
}

function skipMoves() {
    $currentMoveIdx = $GLOBALS['mover'];
    if($currentMoveIdx < count($GLOBALS['moves']) - 2) {
        unset($GLOBALS['moves'][++$currentMoveIdx]);
        unset($GLOBALS['moves'][++$currentMoveIdx]);

        $length = count($GLOBALS['moves']);
        $keys = range(0, $length-1);
        $GLOBALS['moves'] = array_combine($keys, $GLOBALS['moves']);
    } else {
        echo "<p>You lost! No more moves! You have ". $GLOBALS['coins'] . " coins!<p>";
        die();
    }
}

function getDirection($currRow, $currCol) {
    $direction = "";
    if($currCol == 0 && $currRow != 0) {
        $direction = "up";
    } elseif($currRow == 0 && $currCol != 3) {
        $direction = "right";
    } elseif($currCol == 3 && $currRow != 3) {
        $direction = "down";
    } elseif($currRow == 3 && $currCol != 0) {
        $direction = "left";
    }
    return $direction;
}
function nextMove($moveSteps, &$currRow, &$currCol) {
    $temp = $moveSteps;
    $direction = getDirection($currRow, $currCol);

    while($temp > 0) {
        if($direction == "up") {
            $currRow--;
        } elseif($direction == "right") {
            $currCol++;
        } elseif($direction == "down") {
            $currRow++;
        } elseif($direction == "left") {
            $currCol--;
        }

        $direction = getDirection($currRow, $currCol);
        $temp--;
    }
}

function gameEnder() {
    if($GLOBALS['inns'] == $GLOBALS['totalInns']) {
        //end game because all inns are MINE
        echo "<p>You won! You own the village now! You have " . $GLOBALS['coins'] ." coins!<p>";
        die();
    }
    if($GLOBALS['coins'] <= 0) {
        //end game because of no money
        echo "<p>You lost! You ran out of money!<p>";
       // die();
    }
}

for(; $mover < count($moves) ;$mover++) {
    $coins += $inns * 20;
    nextMove($moves[$mover], $startRow, $startCol);
    EvaluatePosition($startRow, $startCol);
    gameEnder();
}

echo "<p>You lost! No more moves! You have " . $coins . " coins!<p>";

?>